Synapses

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Quiz by MedSoc
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Last updated: December 14, 2018
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First submittedDecember 14, 2018
Times taken15
Average score26.7%
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Hint
Answer
What is the name given to a type of neurotransmitter that travels back across the synapse to bind to the presynaptic axon?
Retrograde messenger
What is the name given to a receptor cell that immediately synapses with a second order cell to transfer its information to the CNS, and generally generates a graded potential?
Short receptor
Which of the following 3 types of receptor is an example of the above? Cutaneous, olfaction, taste?
Taste
What does IPSP stand for in reference to the CNS?
Inhibitory Post-Synaptic Potential
Synapses can occur at various places along a neurons body, what is the name for one that synapses on the soma?
Axosomatic
On the dendrites?
Axodendritic
On the axon?
Axo-axonic
What is the name for the specialised area of a neuron where an action potential is initiated?
Axon hillock
Hint
Answer
What constant of a nerve is proportional to the square root of its diameter?
Space/length
When an inhibitory synapse is located closer to the cell body than an excitatory, and leads to a vast proportion of the excitatory current leaing the cell before reaching the soma it is equivalent to division and is called?
Shunting inhibition
What type of channel needs to be activated for bursting to occur?
Low threshold calcium
What is the term for when one neuron synapses with numerous others?
Divergence
What is the term for when multiple neurons synapse onto one neuron?
Convergence
What is the name for neurons that are close to where action potentials are being stimulated and so may be excited but not to firing threshold?
Subliminal fringe
What type of inhibition is when the pathway to the antagonist is inhibited when the agonist is stimulated?
Feedforward
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